If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Survive 14 days defending your safeplace against the attacks of the wolfs. At day repair your defenses and look for new weapons. Improve your weapons with the score.
W, A, S, D / Q, Z, S, D - Move.
Mouse - Aim Shoot.
R - Reload.
1,2 / Spacebar - Sap Weapons.